const eventName={};
eventName.OPEN_LAYER_FN = 'OPEN_LAYER_FN';        // 打开图层弹框
eventName.OPEN_PROPERY_FN ='OPEN_PROPERY_FN';
eventName.OPEN_SELECTLAYERANDADRESS_FN='OPEN_SELECTLAYERANDADRESS_FN'; //选择图层
eventName.CLOSE_SELECTLAYERANDADRESS_FN='CLOSE_SELECTLAYERANDADRESS_FN'; //选择图层
